package com.kaifa.api;

public class StringApi {











    public String getStr(){
        return "移动开发1班";
    }
    public String getStr(String str){
        return "移动开发2班"+str;
    }
    public String getStr(String str,String str2,int str3){
        return "移动开发2班"+str+str2;
    }

    public static void main(String[] args) {
        StringApi sa = new StringApi();
        System.out.println(sa.getStr());
        System.out.println(sa.getStr("专业课"));
        System.out.println(sa.getStr("专业课","和选修课",12));
    }

}
